[Kingstone] Our Company's Q1 2026 Financial Report Has Been Submitted to the Board of Directors

1. Date of submission to the board of directors or board resolution: 2026/05/07 2. Date of approval by the audit committee: 2026/05/07 3. Reporting period for financial report or annual self-reported financial information Start and end dates (XXX/XX/XX~XXX/XX/XX): 2026/01/01-2026/03/31 4. Cumulative operating revenue from January 1 to the end of this period (in thousands of NTD): 2,348,443 5. Cumulative operating gross profit (gross loss) from January 1 to the end of this period (in thousands of NTD): 757,120 6. Cumulative operating income (loss) from January 1 to the end of this period (in thousands of NTD): 536,079 7. Cumulative net profit (net loss) before tax from January 1 to the end of this period (in thousands of NTD): 572,861 8. Cumulative net profit (net loss) for this period from January 1 to the end of this period (in thousands of NTD): 475,899 9. Cumulative net profit (loss) attributable to owners of the parent company from January 1 to the end of this period (in thousands of NTD): 475,899 10. Basic earnings per share (loss) from January 1 to the end of this period (in NTD): 1.50 11. Total assets at the end of the period (in thousands of NTD): 22,332,738 12. Total liabilities at the end of the period (in thousands of NTD): 3,409,148 13. Equity attributable to owners of the parent company at the end of the period (in thousands of NTD): 18,923,590 14. Other matters that need to be specified: None.